1-(1-ethoxyvinyl)-1H-1,2,3-benzotriazole 1H-1,2,3-benzotriazole, 1-(1-ethoxyethenyl)- InChI=1/C10H11N3O/c1-3-14-8(2)13-10-7-5-4-6-9(10)11-12-13/h4-7H,2-3H2,1H